| 123456789101112131415161718192021222324252627 | <!DOCTYPE html><html lang="en">    <head>        <meta charset="utf-8">        <title>案例2</title>    </head>    <body>        <div>            <h3>欢迎注册网易免费邮箱</h3>            <form action="">                <p>手机号码@163.com,方便好记</p>                <!--                     label是input标签的元素标记                 -->                <label for="">手机号</label>                <input type="text" placeholder="请输入您的手机号码">                <br><br>                <label for="">密码</label>                <input type="password" placeholder="请输入密码">                <br><br>                <input type="checkbox">同意《服务条款》、《隐私政策》和《儿童隐私政策》                <br><br>                <input type="button" value="立即注册">            </form>        </div>    </body></html>
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